/*
 * Copyright (c) 2010, Jim Hollinger
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *   * Neither the name of Jim Hollinger nor the names of its contributors
 *     may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#ifndef NMEAJGP_NMEAINTERFACE_H_
#define NMEAJGP_NMEAINTERFACE_H_

#include <string>

#include "pthread.h"
#include "thread/mutex.h"

namespace datachannel {
    class DataChannel;
};

namespace logger {
    class Logger;
};

namespace nmea0183 {
    class Nmea0183Parser;
};

namespace nmeajgp {

class NmeaStatus;

class NmeaInterface {
  friend static void *nmea_start_pthread(void *arg);

  public:
    explicit NmeaInterface(logger::Logger *logger);
    ~NmeaInterface();

    bool init(const std::string &descriptor);
    bool start();
    void stop();
    bool isStop() const;
    void getStaus(NmeaStatus *dst_status);

  protected:
    void run();
    void process(const char *data, int len);

  protected:
    logger::Logger             *log;
    datachannel::DataChannel   *channel;
    pthread_t                   thread_ID;
    thread::Mutex              *status_mutex;
    NmeaStatus                 *status;
    nmea0183::Nmea0183Parser   *parser;
    int                         maxBufferLen;
    void                       *buffer;

    volatile bool               stop_flag;
};

}  // namespace nmeajgp

#endif  // NMEAJGP_NMEAINTERFACE_H_
